Answer:
![0](https://tex.z-dn.net/?f=0)
Step-by-step explanation:
![i^2=-1](https://tex.z-dn.net/?f=i%5E2%3D-1)
![i=-1](https://tex.z-dn.net/?f=i%3D-1)
Subsite i in for z
Add
to both sides
![z=0](https://tex.z-dn.net/?f=z%3D0)
Anything multiplied by 0 is just 0.
3 ways
1st way: Anthony- Gold William-Red Christopher-Green Mathew-Blue
2nd way: Anthony- Blue William-Gold Christopher-Red Mathew-Green
3rd way: Anthony-Green William-Blue Christopher-Gold Mathew-Red
Answer: 54 times 9 =486 pounds Monica recycled
Step-by-step explanation:
Answer:
Step-by-step explanation:
1.5787764e+23